Geologic reconnaissance of the Antelope-Ashwood area
Subtitle: north-central Oregon, with emphasis on the John Day Formation of Late Oligocene and Early Miocene age
By: by Dallas L. Peck.
Contributors: Oregon. Dept. of Geology and Mineral Industries.; Geological Survey (U.S.)
Series: U.S. Geological Survey bulletin -- 1161-D
Publisher: U.S. Government Printing Office
Published: 1964
Place of publication: Washington, DC
Language: eng
Number of pages: 26
Subjects: Geology -- Oregon -- Antelope-Ashwood Region.; Geology, Stratigraphic -- Tertiary.
Notes: "Prepared in cooperation with the State of Oregon, Dept. of Geology and Mineral Industries".

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